@article{CM_1976__33_3_227_0,
     author = {Patterson, S. J.},
     title = {The laplacian operator on a {Riemann} surface, {III}},
     journal = {Compositio Mathematica},
     pages = {227--259},
     publisher = {Noordhoff International Publishing},
     volume = {33},
     number = {3},
     year = {1976},
     mrnumber = {491511},
     zbl = {0342.30011},
     language = {en},
     url = {http://www.numdam.org/item/CM_1976__33_3_227_0/}
}